中国石油大学 / 中石油
正确率:100%
24. if they are lost or demaged, or if delevery does not take place _____ some other reason, the climate of confidence between parties may degenerate to the point where a law suit is brought.
A、in
B、at
C、for
D、on
A、in
B、at
C、for
D、on
参考答案:
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